Wafer transfer apparatus



FIG. 1 is a top view of the wafer transfer apparatus of the presentdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a reference figure showing a perspective view seen from aback-left hand side of the apparatus;

FIG. 8 is a reference figure showing a top view seen from a back-lefthand side of the apparatus;

FIG. 9 is a reference figure showing a perspective view seen from afront-right hand side of the apparatus;

FIG. 10 is a reference figure showing a perspective view seen from aback-right hand side of the apparatus;

FIG. 11 is a reference figure showing a right side view seen from a backside of the apparatus;

FIG. 12 is a reference figure showing a perspective view seen from theback-left hand side of the apparatus;

FIG. 13 is a reference figure showing a perspective view seen from afront-right hand side of the apparatus;

FIG. 14 is a reference figure showing a perspective view seen from thefront-left hand side of the apparatus;

FIG. 15 is a reference figure showing a perspective view seen from aback-left hand side of the apparatus; and,

FIG. 16 is a reference figure showing a perspective view seen from aback-right hand side of the apparatus.

The broken line showing of wafers in some of the figures is included forthe purpose of illustrating environment and forms no part of the claimeddesign.

We claim the ornamental design for a wafer transfer apparatus, as shownand described.